从一个组织到另一个组织的深度克隆实体

Question

所以，手头还有另一个有趣的任务。

我们创建了一个 Windows 服务，以在生产中的 2 个 CRM 2011 组织之间保持一些记录同步。

我们已经研究了我们想要的深度克隆，但它似乎是在深度克隆 EntityReference，而不是实际的 Entity。

任何想法、建议等都会很棒。

Answer 1

我已成功使用此代码进行深度克隆：

我使用 XRM 服务上下文，将克隆复制到新实体，删除将其指定为已存在实体的属性（例如主键等）设置与现有实体的关系，然后将其发送到创建方法。我必须对所有相关实体明确地做同样的事情（在我的例子中，我已经为 webfiles 和 notes 做了）

        var clonedwebpage = ((Entity)webpage).Clone(true);

        clonedwebpage.Id = Guid.NewGuid();
        clonedwebpage.Attributes.Remove("adx_webpageid");
        //clonedwebpage.Attributes.Remove("adx_pagetemplateid");
        clonedwebpage.EntityState = null;
        clonedwebpage["adx_websiteid"] = new EntityReference("adx_webpage",livesiteGuid);
        //clonedwebpage["adx_parentpageid"] = 
        // create the template guid
        Guid tempGuid = new Guid(templateguid);
        clonedwebpage["adx_pagetemplateid"] = new EntityReference("adx_pagetemplate",tempGuid); // set the template of the new clone


        //serviceContext.Attach(cloned);
        //serviceContext.MergeOption = MergeOption.NoTracking;

        Guid clonedwebpageguid = _service.Create(clonedwebpage);

         //var webpage = serviceContext.Adx_webpageSet.Where(wp => wp.Id == webpageguid).First();
        //var notes_webile = serviceContext.Adx_webfileSet.Where(wf => wf.








        //*********************************** WEB FILE *********************************************
        foreach (var webfile in webpage.adx_webpage_webfile)
        {
            var cloned_webfile = webfile.Clone(); 

            //should iterate through every web file that is related to a web page, and clone it. 
            cloned_webfile.Attributes.Remove("adx_webfileid");
            cloned_webfile.Attributes.Remove("adx_websiteid");
            cloned_webfile.Attributes.Remove("adx_parentpageid");
            cloned_webfile["adx_websiteid"] = new EntityReference("adx_website", livesiteGuid);
            cloned_webfile["adx_parentpageid"] = new EntityReference("adx_webpage", clonedwebpageguid);
            cloned_webfile.EntityState = null;
            cloned_webfile.Id = Guid.NewGuid();
            Guid ClonedWebFileGuid = _service.Create(cloned_webfile);

            //*********************************** NOTE *********************************************
            foreach (var note in webfile.adx_webfile_Annotations)
            {

                var cloned_note = note.Clone();

                cloned_note.Attributes.Remove("annotationid"); // pk of note
                cloned_note.Attributes.Remove("objectid"); // set to web file guid

                cloned_note["objectid"] = new EntityReference("adx_webfile", ClonedWebFileGuid); // set the relationship between our newly cloned webfile and the note
                cloned_note.Id = Guid.NewGuid();
                cloned_note.EntityState = null;

                Guid clonednote = _service.Create(cloned_note);


                //cloned_note.Attributes.Remove("ownerid");
                //cloned_note.Attributes.Remove("owningbusinessunit");
                //cloned_note.Attributes.Remove("owningteam");
                //cloned_note.Attributes.Remove("owninguser");


            }

Answer 2

我们不将其与动态一起使用，但是当我们需要深拷贝时，我们使用 BinaryFormatter 序列化对象，然后将其反序列化为新对象，这与 .Net 远程处理的情况非常相似。

这是我们的 VB.Net 解决方案（如果需要，我可以转换为 C#）：

''' <summary>
''' This method clones all of the items and serializable properties of the current collection by 
''' serializing the current object to memory, then deserializing it as a new object. This will 
''' ensure that all references are cleaned up.
''' </summary>
''' <returns></returns>
''' <remarks></remarks>
Public Function CreateSerializedCopy(Of T)(ByVal oRecordToCopy As T) As T
    ' Exceptions are handled by the caller

    If oRecordToCopy Is Nothing Then
        Return Nothing
    End If

    If Not oRecordToCopy.GetType.IsSerializable Then
        Throw New ArgumentException(oRecordToCopy.GetType.ToString & " is not serializable")
    End If

    Dim oFormatter As New System.Runtime.Serialization.Formatters.Binary.BinaryFormatter

    Using oStream As IO.MemoryStream = New IO.MemoryStream
        oFormatter.Serialize(oStream, oRecordToCopy)
        oStream.Position = 0
        Return DirectCast(oFormatter.Deserialize(oStream), T)
    End Using
End Function